1966802730 has 32 divisors (see below), whose sum is σ = 4726733184. Its totient is φ = 523768896.

The previous prime is 1966802729. The next prime is 1966802741. The reversal of 1966802730 is 372086691.

It is a happy number.

1966802730 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21829 + ... + 66408.

It is an arithmetic number, because the mean of its divisors is an integer number (147710412).

Almost surely, 2^1966802730 is an apocalyptic number.

1966802730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1966802730 is an abundant number, since it is smaller than the sum of its proper divisors (2759930454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1966802730 is a wasteful number, since it uses less digits than its factorization.

1966802730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88990.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1966802730 is about 44348.6496975951. The cubic root of 1966802730 is about 1252.9111307245.

The spelling of 1966802730 in words is "one billion, nine hundred sixty-six million, eight hundred two thousand, seven hundred thirty".